Sympatho-vagal imbalance is associated with sarcopenia in male patients with heart failure - Fonseca, Guilherme Wesley Peixoto da; Santos, Marcelo Rodrigues dos; Souza, Francis Ribeiro de; Costa, Marcel Jose A. da; Haehling, Stephan von; Takayama, Liliam Masako; Pereira, Rosa Maria Rodrigues; Negrão, C. E.; Anker, Stefan D; Alves, Maria Janieire de Nazaré Nunes (Arquivos brasileiros de cardiologia, 2019)